This is a great book that could be piggy backed by the "Polyvagal Theory" of Steven Porges.   Human emotions are ontologically related and built on animal emotions they are the focus of survival...

Tina

HAP. I.—GENERAL PRINCIPLES OF EXPRESSION.

The three chief principles stated—The first principle—Serviceable actions become habitual in association with certain states of the mind, and are performed whether or not of service in each particular case—The force of habit—Inheritance—Associated habitual movements in man—Reflex actions—Passage of habits into reflex actions—Associated habitual movements in the lower animals—Concluding remarks .. .. 27-49

CHAP. II.—GENERAL PRINCIPLES OF EXPRESSION—continued.

The Principle of Antithesis—Instances in the dog and cat—Origin of the principle—Conventional signs—The principle of antithesis has not arisen from opposite actions being consciously performed under opposite impulses .. .. 50-65

CHAP. III.—GENERAL PRINCIPLES OF EXPRESSION—concluded.

The principle of the direct action of the excited nervous system on the body, independently of the will and in part of habit—Change of colour in the hair—Trembling of the muscles—Modified secretions—Perspiration—Expression of extreme pain—Of rage, great joy, and terror—Contrast between the emotions which cause and do not cause expressive movements—Exciting and depressing states of the mind—Summary .. .. 66-82

CHAP. IV.—MEANS OF EXPRESSION IN ANIMALS.

The emission of sounds—Vocal sounds—Sounds otherwise produced—Erection of the dermal appendages, hairs, feathers, &c., under the emotions of anger and terror—The drawing back of the ears as a preparation for fighting, and as an expression of anger—Erection of the ears and raising the head, a sign of attention .. .. 83-115